{"action":"Upgrade perl to 5.42.3-1 or later.","affected":[{"fixed":"5.42.3-1","introduced":"0"}],"component":"perl","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["5.42.3-1"],"id":"tcs_01M5NQDJXW6E3BCNAR6QHC2GKA","modified_at":"2026-10-26T11:47:27.216939133Z","published_at":"2026-06-15T22:16:16.197Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-12087","https://security-tracker.debian.org/tracker/CVE-2026-12087"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-12087#Debian:14/perl","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-12087"}],"summary":"Socket versions before 2.041 for Perl have an out-of-bounds heap read. In Socket.xs, pack_ip_mreq_source() checks the length of its source argument before the argument is read, so the check tests the"}